146969146 has 4 divisors (see below), whose sum is σ = 220453722. Its totient is φ = 73484572.

The previous prime is 146969117. The next prime is 146969153. The reversal of 146969146 is 641969641.

146969146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144600625 + 2368521 = 12025^2 + 1539^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146969096 and 146969105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36742285 + ... + 36742288.

Almost surely, 2^146969146 is an apocalyptic number.

146969146 is a deficient number, since it is larger than the sum of its proper divisors (73484576).

146969146 is an equidigital number, since it uses as much as digits as its factorization.

146969146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73484575.

The product of its digits is 279936, while the sum is 46.

The square root of 146969146 is about 12123.0831886942. The cubic root of 146969146 is about 527.7262819300.

The spelling of 146969146 in words is "one hundred forty-six million, nine hundred sixty-nine thousand, one hundred forty-six".